Image Sources

General Photo Sites

US Government Graphics and Photos
Wikimedia Commons
Pics4Learning
PD Photo
Flickr Creative Commons
FreeFoto.com
Free Photo 1
Google Life Photo Archive
....copyright protected images
Library of Congress: Themed Resources for Teachers
4 Free Photos
Morgue Files
...."Free images for your inspiration, reference and use in your creative work"
Photosynth

Social Studies, History & Geography Photos Sources

National Archives: Photos and Pictures Online
National Archives: World War II Photos
National Archives: Photos of Native Americans America From the Great Depression to World War II
American Memory Maps Collection
AICT images of art and architectural works from ancient to modern times
Daguerreotype Portraits and Views 1839-1864
Graphic Maps.com
Images of American Political History
PhotoEverywhere..free travel images

Science & Health
Centre for Bioscience Image Bank
Department of Agriculture Image Gallery
Department of the Interior Photo Resources Library
Great Images in NASA
NASA Image Exchange
NASA Multimedia Gallery
NASA Photo Archive
NASA's Planetary Photojournal
National Health Museum

Art
Metropolitan Museum of Art
...copyright info

Clip Art

Wise Gorilla Educational Clip Art